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Falling Head Permeability <br /> ASTM D 5084 <br /> Cooper Testing Lab, Inc. <br /> 1 Job No 255-008b Boring B-4 Date 09/22/97 <br /> Client Advanced GeoEnv Sample By DC <br /> Project Dens Auto Depth 65' <br /> Soil gray sandy CLAY / clayey SAND <br /> Sample Pressures Max Hydraulic <br />' Cell 50 psi Bot Cap 46 psi Top Cap 44 psi _ Gradient 27 <br />' Elapsed Time (min) Head, (cm) Permeability cm/sec <br /> 0 16867 Start of Test <br /> 735 15717 2 3 x 10E-7 <br />' 965 15437 2 3 x 10E-7 <br /> 1155 15207 2 2 x 10E-7 <br /> 1404 14897 2 1 x 10E-7 <br />' 2172 14047 2 0 x 10E-7 <br /> 0 16867 <br />' 325 16457 1 9 x 10E-7 <br /> 638 161 27 1 7 x 10E-7 <br /> 1419 15267 1 8 x 10E-7 <br /> • Average Permeability 2 x 10E-7 cm/sec <br />' Sample Data Initial Final <br /> Height, in 250 246 <br />' Diameter, in 1 92 1 92 <br /> Area, in2 288 290 <br /> Volume, in3 720 714 <br /> Total Volume, cc 11800 11703 <br /> Vol of Solids, cc 6804 6804 <br /> Vol of Voids, cc 4996 4899 <br />' Void Ratio 073 072 <br /> Porosity, % 4234 41 86 <br /> Saturation, % 9448 9839 <br />' Sp Gravity 275 assumed 275 <br /> Wet Weight, gm 2343 2353 <br /> I Dry Weight, gm 1871 1871 <br /> Tare, gm 000 000 <br /> Moisture, % 252 258 <br /> Dry Density, pcf 989 998 <br /> Remarks <br />